Generation III Internal Engine 1997-2006 LS1 | LS6

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Jun 21, 2011 | 10:23 PM

#1

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LS heads

can anyone list all or most of the different LS head casting number and what they came on?

I have a 98 Z28 but my heads are 241 casting #'s

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Jun 22, 2011 | 01:54 AM

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Someone swapped out your stock heads then.

98- 806 heads
99-00 853 heads
00-02 241 heads

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Jun 22, 2011 | 03:47 PM

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and if your heads have centerbolt valve covers then someone chganged either heads or the whole engine.

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Jun 23, 2011 | 07:24 AM

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I do have center bolt valve covers. How would I identify my engine year?

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236, 241, 246, casting, head, heads, ls, number

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